math
posted by Taylor .
the annual household cost of telephone service in the US increased at a relatively constant rate of $27.80 per year from 1981 to 2001. IN 2001 the annual household cost of telephone service was $914.
a:What was the annual household cost of telephone service in 1981?
B: Write an equation that gives the annual household cost of telephone service as a function of the number of year since 1981.
C: find the household cost of telephone service in 2000
Respond to this Question
Similar Questions

Engineering Economy
Compare the following alternatives on the basis of their capitalized cost at an interest rate of 10% per year. Petroleum Based Feedstock First cost, $ 250000 Annual operating cost, $/year 130000 Annual revenues, $/year 400,000 Salvage … 
human service
Various budget approaches play an important role in resource allocation in human service organizations. You are the administrator for an Orthopedic surgery practice you are preparing a budget matrix for MRI services. The matrix budget … 
math
A sporting goods company has a distribution center that maintains inventory of fishing rods. The fishing rods have the following demand, lead time, and cost characteristics: Average demand = 95 units per day, with a standard deviation … 
calculus
Based on data from 1999 to 2001, the rate of change in the annual net sales of PepsiCola North America may be modeled by R(t) = −131t − 749.5 million dollars per year and the rate of change in the annual operating profit … 
calculus
Based on data from 1999 to 2001, the rate of change in the annual net sales of PepsiCola North America may be modeled by R(t) = −131t − 749.5 million dollars per year and the rate of change in the annual operating profit … 
calculus
Based on data from 1999 to 2001, the rate of change in the annual net sales of PepsiCola North America may be modeled by R(t) = −131t − 749.5 million dollars per year and the rate of change in the annual operating profit … 
math
the annual household cost of telephone service in the US increased at a relatively constant rate of $27.80 per year from 1981 to 2001. IN 2001 the annual household cost of telephone service was $914. a:What was the annual household … 
math
the annual household cost of telephone service in the US increased at a relatively constant rate of $27.80 per year from 1981 to 2001. in 2001 the annual household cost of telephone service was $914. a: what was the annual household … 
math
the annual household cost of telephone service in the US increased at a relatively constant rate of $27.80 per year from 1981 to 2001. in 2001 the annual household cost of telephone service was $914. a: what was the annual household … 
math
1.The cost of a telephone call from Wilsonto East Meadow is $0,60 for the first three minutes plus $0.17 for each additional minute. What is the greatest number of whole minutes of a call if the cost cannot exceed $2.50?